How to Enable Root User in Ubuntu

This article, it’s going to be a first thing to do (in my opinion), after installing Ubuntu. By default in Ubuntu the Super User Root is disabled for security reasons. Thus, when you want to act like a SuperUser you have to call sudo actions instead of using a su at an administering session in Terminal. There are times that this security is useful, but there are times that this procedure is annoying. The point of view is very important to decide whether this has advantages or disadvantages. Read this article to see some of them.

By default, root account password is locked in Ubuntu. So, when you do su –, you’ll get Authentication failure error message as shown below.